Shell and Exxon warned of weaker Q2 earnings due to lower oil and gas prices, with Exxon expecting a $1.5 billion hit.

Oil prices dipped slightly as traders weighed bullish U.S. demand and production data against lingering tariff uncertainty from President Trump.

If you see a gross white sludge under your oil cap, it might be your car's way of dealing with built-up water and oil. Here's how to handle it.

Oil prices settled slightly lower on Monday as the latest European sanctions on Russian oil were expected to have minimal impact on supplies, but losses were curbed by investors weighing a ...

Oil prices fell on Tuesday for a third consecutive session, as hopes faded for a trade deal between the U.S. and Europe, feeding fears of an economic slowdown in the world's largest oil markets.

U.S. President Donald Trump is trying again to end the war in Ukraine – not by targeting Russia, but by hitting the countries that buy Russia’s oil.

A modest oil price bounce quickly disappeared when it became clear that Iran had no appetite for an escalatory spiral, with Brent crude slipping back below $70 per barrel. Even war with Iran failed to ...

GM is issuing a recall for the 6.2L V8 L87 gasoline engine, with some units receiving a new oil spec. The question is - will the new oil impact fuel economy?

The Environmental Defense Fund estimates there are somewhere between 300,000 and 700,000 undocumented, abandoned oil and gas wells in Western Pennsylvania alone.

The U.S. Interior Department is taking steps to make it easier for oil and gas companies to "commingle" multiple U.S. onshore drilling lease applications.

A fire at Iran's oldest and largest refinery in the southwest killed one person, state media reported Sunday. A leaky pump in an under-repair unit at Abadan refinery caused the fire on Saturday ...